Unlike the third wave of the Undead Army, the fourth wave truly consisted of undead troops Grand Princess Anna had selected from within Aryadovi City—ones with some potential, but who had not yet met the standards of the Regular Army.
Grand Princess Anna's attitude toward the Undead Army was the same as Gu Xi's.
Potential was a good thing, but undead who had never participated in battle and lacked sufficient levels were still nothing in Gu Xi and Grand Princess Anna's eyes.
Under normal circumstances, these undead soldiers should have taken part in Conquest Missions at the Barracks and patrolled Aryadovi City.
Only after raising their levels would they be assigned to the various Tool Man Heroes.
Only by fighting their way through could they stand before Gu Xi.
This time, however, they had been given an opportunity.
Enemies they could kill endlessly had appeared before them.
This was the best time for them to display their combat talents.
Gu Xi pointed down the road, and every undead unit charged out headlong.
They did not care that the Sludge Undead possessed recovery abilities even stronger than their own. In their eyes, these Sludge Undead were nothing but Experience Packs.
After all, these Sludge Undead could die again after dying once, while the experience truly went to the undead soldiers.
Thus, many undead surrounded a single Sludge Undead and beat it down, each fighting for themselves.
After killing it, they waited right there. The moment the Sludge Undead came back to life, they immediately stepped forward and attacked again.
As the fourth-wave troops rushed out, the Sludge Undead forces were swiftly cut apart.
Together with the portion stopped by Ghost Gate Opening and the portion scorched by Flame Domain, fewer than ten thousand Sludge Undead actually made it to within a